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Manufacturing Process 1 : Question Paper Dec 2011 - Mechanical Engineering (Semester 3) | Visveswaraya Technological University (VTU)
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Manufacturing Process 1 - Dec 2011

Mechanical Engineering (Semester 3)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1 (a) Define manufacturing process and explain primary and secondary manufacturing process (6 marks) 1 (b) Define moduling and casting (3 marks) 1 (c) What is pattern ?Explain in details allowances given to pattern and resons to provide the allowness(11 marks) 2 (a) With a neat figure,explain the terminologies of sand mould(8 marks) 2 (b) Explain with a neat sketch,the working principle of Jolt types moduling machine.(6 marks) 2 (c) Explain the element involved in gating system(6 marks) 3 (a) Explain with neat sketches,shell moduling process and invesment moduling process (14 marks) 3 (b) Explain with a neat figure Hot chamber die casting process (6 marks) 4 (a) With respect to different zones and their chemical reaction,explain Cupola furance with neat figure(10 marks) 4 (b) Explain high frequency induction furnace.(5 marks) 4 (c) Mention the advantages of oil fired crucible furnance over coke fired furnance(5 marks) 5 (a) Define welding .Broadly classify welding process with examples in each(5 marks) 5 (b) write a note on clening and edge preparation in welding (5 marks) 5 (c) Explain tungsten wiest gas welding process with a neat figure and mentioned its advantages and limitation(10 marks) 6 (a) Explain with a neat figure ,Thermit welding process with advantages (10 marks) 6 (b) Explain with a neat sketch,laser beam weldin process mentioning clearly the formation of laser beam(10 marks) 7 (a) Write short notes on:
Electrodes
Residual stresses
HAZ in welding
Welding defects
(20 marks)
8 (a) Explain magnetic paricle inspection method to test welded part with advantages and limitation (10 marks) 8 (b) Explain induction brazing and mentioned advantages and limiation (5 marks) 8 (c) Differentiate soldering and brazing(5 marks)

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